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How come? How so? That's how things began: the inventions that changed our world

R P Subramanian

How come? How so? That's how things began: the inventions that changed our world

language (The Energy and Resources Institute Sept. 21, 2015)
Inventions have changed our world beyond imagination — from the simple mechanical clock to the television, telephone, computer, and microscope. Learn how it all began, where, when, and who were the pioneers in this book.
Pages
46

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